A paradigm shift brings a fresh way of looking at the world. Give an example from the field of medicine that shows how normal science has experienced a paradigm shift in the last 200 years. For example, at one time, physicians did not believe that germs lived on human hands. They operated with bare, unwashed hands. The entire framework for studying and preventing infections changed with the new knowledge about microorganisms.

What kind of HELP do you need? You need to be specific when asking questions here.

If all you do is post your entire assignment, with no evidence of thinking on your part, nothing will happen since no one here will do your work for you. But if you are specific about what you don't understand about the assignment or exactly what help you need, someone might be able to assist you.